// Test multi-valued properties and custom keys
public void testMultiValued() throws Exception {
EntityManager em;
TestViewpoint viewpoint = new TestViewpoint(Guid.createNew());
/////////////////////////////////////////////////
// Setup
em = support.beginSessionRW(viewpoint);
TestUser bob = new TestUser("Bob");
Guid bobId = bob.getGuid();
em.persist(bob);
TestUser jane = new TestUser("Jane");
Guid janeId = jane.getGuid();
em.persist(jane);
TestGroup group = new TestGroup("BobAndJane");
Guid groupId = group.getGuid();
em.persist(group);
TestGroupMember groupMember;
groupMember = new TestGroupMember(group, bob);
em.persist(groupMember);
group.getMembers().add(groupMember);
groupMember = new TestGroupMember(group, jane);
em.persist(groupMember);
group.getMembers().add(groupMember);
em.getTransaction().commit();
/////////////////////////////////////////////////
em = support.beginSessionRO(viewpoint);
// Check that the group looks OK read as DMO's from a new transaction.
logger.debug("===== Checking the group in a new transaction ====\n");
checkGroupValidity(groupId, bobId, janeId);
// Check again with everything cached in the sesssion
logger.debug("===== Checking the group again in the same transaction ====\n");
checkGroupValidity(groupId, bobId, janeId);
em.getTransaction().commit();
em = support.beginSessionRO(viewpoint);
// Now check once again in another new transaction to test reading
// back from the global cache
logger.debug("===== Checking the group again in a different new transaction ====\n");
checkGroupValidity(groupId, bobId, janeId);
em.getTransaction().commit();
}
// Test whether properties can be retrieved from the session and global caches
public void testCaching() throws NotFoundException {
TestGroup group;
TestGroupDMO groupDMO;
EntityManager em;
ReadOnlySession session;
Guid guid;
TestViewpoint viewpoint = new TestViewpoint(Guid.createNew());
em = support.beginSessionRW(viewpoint);
group = new TestGroup("Hippos");
guid = group.getGuid();
em.persist(group);
em.getTransaction().commit();
//////////////////////////////////////
em = support.beginSessionRO(viewpoint);
session = support.currentSessionRO();
// First time stores in session-local and global caches
groupDMO = session.find(TestGroupDMO.class, guid);
assertTrue(groupDMO != null);
assertTrue(groupDMO.getKey().equals(guid));
assertTrue(groupDMO.getName().equals("Hippos"));
// Second time within session finds the existing DMO in
// the session-local cache. The property value is cached
// in the DMO.
groupDMO = session.find(TestGroupDMO.class, guid);
assertTrue(groupDMO != null);
assertTrue(groupDMO.getKey().equals(guid));
assertTrue(groupDMO.getName().equals("Hippos"));
em.getTransaction().commit();
//////////////////////////////////////////////////
em = support.beginSessionRO(viewpoint);
session = support.currentSessionRO();
// Creates a new GroupDMO. The property value will be found
// from the global cache
groupDMO = session.find(TestGroupDMO.class, guid);
assertTrue(groupDMO != null);
assertTrue(groupDMO.getKey().equals(guid));
assertTrue(groupDMO.getName().equals("Hippos"));
em.getTransaction().commit();
}
// Test looking up objects by String resource ID
public void testStringResourceId() throws NotFoundException {
EntityManager em;
TestViewpoint viewpoint = new TestViewpoint(Guid.createNew());
/////////////////////////////////////////////////
// Setup
em = support.beginSessionRW(viewpoint);
TestUser bob = new TestUser("Bob");
em.persist(bob);
TestGroup group = new TestGroup("BobOnly");
Guid groupId = group.getGuid();
em.persist(group);
TestGroupMember groupMember;
groupMember = new TestGroupMember(group, bob);
em.persist(groupMember);
group.getMembers().add(groupMember);
em.getTransaction().commit();
/////////////////////////////////////////////////
em = support.beginSessionRO(viewpoint);
ReadOnlySession session = support.currentSessionRO();
// Test for a GUID key
TestGroupDMO groupDMO = session.find(TestGroupDMO.class, groupId);
assertEquals(groupDMO, session.find(groupDMO.getResourceId()));
// Test for a custom key
TestGroupMemberDMO groupMemberDMO = groupDMO.getMembers().get(0);
assertEquals(groupMemberDMO, session.find(groupMemberDMO.getResourceId()));
em.getTransaction().commit();
}